mthierry

with rbenv & ruby-build

a) Prereq 1. Install rbenv (https://github.com/rbenv/rbenv)

cd
git clone https://github.com/rbenv/rbenv.git ~/.rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

mthierry

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7f42565ce53e..eada3dc145b6 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -915,6 +915,8 @@ static void intel_lrc_irq_handler(unsigned long data)
 			/* After the final element, the hw should be idle */
 			GEM_BUG_ON(port_count(port) == 0 &&
 				   !(status & GEN8_CTX_STATUS_ACTIVE_IDLE));
+			if (status & GEN8_CTX_STATUS_ACTIVE_IDLE)
+				mdelay(2);

mthierry

commit 8cc7a88e3430e3dbc0a5c873c467ee9fed729cfd
Author: Akash Goel <[email protected]>
Date:   Mon Dec 28 13:56:18 2015 +0530

    drm/i915: Support to enable TRTT on GEN9
    
    Gen9 has an additional address translation hardware support in form of
    Tiled Resource Translation Table (TR-TT) which provides an extra level
    of abstraction over PPGTT.
    This is useful for mapping Sparse/Tiled texture resources.

mthierry

	
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             P $$$$$$$$$$.`$$$$.'"MMMMMP',c,"""'..

mthierry

#!/bin/bash

result=$(curl -sf --data-binary @${1:--} https://hastebin.com/documents) || {
	echo "ERROR: failed to post document" >&2
	exit 1
}

key=$(jq -r .key <<< $result)

echo "https://hastebin.com/${key}"

mthierry

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c697a08b8644..8c0f3ce3b2f8 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -815,6 +815,7 @@ unclaimed_reg_debug(struct drm_i915_private *dev_priv,
 	if (likely(!i915.mmio_debug))
 		return;
 
+	DRM_INFO("reading reg = 0x%x\n", reg.reg);
 	__unclaimed_reg_debug(dev_priv, reg, read, before);

mthierry

#set -x
#pkg=$(aapt dump badging $1|awk -F" " '/package/ {print $2}'|awk -F"'" '/name=/ {print $2}')
#act=$(aapt dump badging $1|awk -F" " '/launchable-activity/ {print $2}'|awk -F"'" '/name=/ {print $2}')
#adb shell am start -n $pkg/$act

#package=`aapt dump badging $* | grep package | awk '{print $2}' | sed s/name=//g | sed s/\'//g`
#activity=`aapt dump badging $* | grep Activity | awk '{print $2}' | sed s/name=//g | sed s/\'//g`
#echo
package=com.android.camera2
activity=com.android.camera.CameraActivity

mthierry

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 036cd27..8c568c7 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -44,6 +44,7 @@
 
 /* from BKL pushdown */
 DEFINE_MUTEX(drm_global_mutex);
+EXPORT_SYMBOL(drm_global_mutex);
 

mthierry

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 7935959..0731950 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -969,10 +969,16 @@ static void guc_move_to_next_buf(struct intel_guc *guc)
 	smp_wmb();
 
 	/* All data has been written, so now move the offset of sub buffer. */
+#if IS_ENABLED(CONFIG_DEBUG_PREEMPT)
+	preempt_disable();

mthierry

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index e6d70cc..b95faaf 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1164,6 +1164,7 @@ emit_preemption_control(struct drm_i915_gem_request *req)
 	u32 mid_thread_mode = 0;
 	u32 data;
 
+	DRM_DEBUG_DRIVER("AAA\n");
 	/* Preemption is always disabled while preempting */